Mass Air Flow Sensor / Meter / MAF Fits: 1991-1992 BMW 525i 13621466359, 0280213011 In order to avoid return hassle and save yours and our time, you must cross-check indicated reference part numbers against those found on your old unit. Do not rely on vehicles compatibility list, which is presented for the reference purpose and shouldn't be your guide to determine compatibility. If you are unsure, you may call local dealership (auto parts dept.) to obtain correct part numbers or ask your mechanic. If you would like us to help you, please contact us and provide your vehicle's detailed info such as: Make/Model/Year/Engine/Full VIN# and we will do our best to find compatibility. PART REFERENCE NUMBERS: OEM: BOSCH: 13621466359 13621722489 13621730074 13627527518 0986280116 0280213011 0 280 213 011 CARDONE: 7410275 74-10275 *Please cross-check indicated OEM reference codes against those found on your current unit. You may call local dealership (auto parts dept.) to obtain correct numbers. COMPATIBLE VEHICLES: * Models presented for reference purpose only! MAKE: MODEL: YEAR: BMW 325I 1992 BMW 325IS 1992 BMW 525I (1991 - 1992)